Home / 28,083,163.80-42,124,745.70-11,044,392.60

Finding the Fourth Proportional to 28,083,163.80, 42,124,745.70 and 11,044,392.60

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Solution

The fourth proportional to 28,083,163.80, 42,124,745.70 and 11,044,392.60 is: 16,566,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,083,163.80 : 42,124,745.70 = 11,044,392.60 : x
  2. Step 2: Convert to fraction form
    28,083,163.80/42,124,745.70 = 11,044,392.60/x
  3. Step 3: Cross multiply
    28,083,163.80x = 42,124,745.70 × 11,044,392.60
  4. Step 4: Simplify right side
    28,083,163.80x = 465,242,229,685,961.81
  5. Step 5: Solve for x
    x = 465,242,229,685,961.81/28,083,163.80
  6. Step 6: Final answer
    x = 16,566,588.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.